Salmen, L. F. (1987). Listen to the people: Participant-observer evaluation of development projects. Published for the World Bank by Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Salmen, Lawrence F. Listen to the People: Participant-observer Evaluation of Development Projects. New York: Published for the World Bank by Oxford University Press, 1987.
Lua MLA (8ú heag.)Salmen, Lawrence F. Listen to the People: Participant-observer Evaluation of Development Projects. Published for the World Bank by Oxford University Press, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.